#pragma once
#include <iostream>
#include <vector>
#include <string>
using namespace std;
typedef struct LNode
{
    int a;
    int b;
} Node;
class example
{
public:
    void setExample(int a, int b);
    vector<int> getExample();
    void printInfo();
    void forFunc();  // use "for"
    void whileFun(); // use "while"
    void switFun();  // use "switch"

private:
    vector<int> cotnum;
    Node node;
    // int _a;
    // int _b;
};
